152173250 has 16 divisors (see below), whose sum is σ = 284868792. Its totient is φ = 60869200.

The previous prime is 152173211. The next prime is 152173277. The reversal of 152173250 is 52371251.

It can be written as a sum of positive squares in 4 ways, for example, as 56505289 + 95667961 = 7517^2 + 9781^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304097 + ... + 304596.

Almost surely, 2^152173250 is an apocalyptic number.

152173250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152173250 is a deficient number, since it is larger than the sum of its proper divisors (132695542).

152173250 is an equidigital number, since it uses as much as digits as its factorization.

152173250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608710 (or 608700 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 152173250 is about 12335.8522202562. The cubic root of 152173250 is about 533.8830161711.

The spelling of 152173250 in words is "one hundred fifty-two million, one hundred seventy-three thousand, two hundred fifty".